{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerability", "capabilities", "vulnerable system version", "vulnerable system owner", "vulnerable system", "common vulnerabilities and exposures", "time", "discoverer", "supported platform"]}], "input": "Whereas , CVE -2018-15979 has received a patch in Adobe Acrobat DC and Reader DC version 2019.008.20081 , Acrobat 2017 and Acrobat Reader DC 2017 version 2017.011.30106 , and Acrobat DC and Acrobat Reader DC ( Classic 2015 ) version 2015.006.30457 ."}
{"discover vulnerability": []}